mirror of
https://github.com/matrix-org/dendrite
synced 2024-12-19 17:44:23 +00:00
132 lines
4 KiB
Go
132 lines
4 KiB
Go
// Copyright 2020 The Matrix.org Foundation C.I.C.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package postgres
|
|
|
|
import (
|
|
"context"
|
|
"database/sql"
|
|
"time"
|
|
|
|
"github.com/matrix-org/dendrite/internal"
|
|
"github.com/matrix-org/dendrite/internal/sqlutil"
|
|
"github.com/matrix-org/dendrite/keyserver/api"
|
|
"github.com/matrix-org/dendrite/keyserver/storage/tables"
|
|
)
|
|
|
|
var deviceKeysSchema = `
|
|
-- Stores device keys for users
|
|
CREATE TABLE IF NOT EXISTS keyserver_device_keys (
|
|
user_id TEXT NOT NULL,
|
|
device_id TEXT NOT NULL,
|
|
ts_added_secs BIGINT NOT NULL,
|
|
key_json TEXT NOT NULL,
|
|
-- Clobber based on tuple of user/device.
|
|
CONSTRAINT keyserver_device_keys_unique UNIQUE (user_id, device_id)
|
|
);
|
|
`
|
|
|
|
const upsertDeviceKeysSQL = "" +
|
|
"INSERT INTO keyserver_device_keys (user_id, device_id, ts_added_secs, key_json)" +
|
|
" VALUES ($1, $2, $3, $4)" +
|
|
" ON CONFLICT ON CONSTRAINT keyserver_device_keys_unique" +
|
|
" DO UPDATE SET key_json = $4"
|
|
|
|
const selectDeviceKeysSQL = "" +
|
|
"SELECT key_json FROM keyserver_device_keys WHERE user_id=$1 AND device_id=$2"
|
|
|
|
const selectBatchDeviceKeysSQL = "" +
|
|
"SELECT device_id, key_json FROM keyserver_device_keys WHERE user_id=$1"
|
|
|
|
type deviceKeysStatements struct {
|
|
db *sql.DB
|
|
upsertDeviceKeysStmt *sql.Stmt
|
|
selectDeviceKeysStmt *sql.Stmt
|
|
selectBatchDeviceKeysStmt *sql.Stmt
|
|
}
|
|
|
|
func NewPostgresDeviceKeysTable(db *sql.DB) (tables.DeviceKeys, error) {
|
|
s := &deviceKeysStatements{
|
|
db: db,
|
|
}
|
|
_, err := db.Exec(deviceKeysSchema)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if s.upsertDeviceKeysStmt, err = db.Prepare(upsertDeviceKeysSQL); err != nil {
|
|
return nil, err
|
|
}
|
|
if s.selectDeviceKeysStmt, err = db.Prepare(selectDeviceKeysSQL); err != nil {
|
|
return nil, err
|
|
}
|
|
if s.selectBatchDeviceKeysStmt, err = db.Prepare(selectBatchDeviceKeysSQL); err != nil {
|
|
return nil, err
|
|
}
|
|
return s, nil
|
|
}
|
|
|
|
func (s *deviceKeysStatements) SelectDeviceKeysJSON(ctx context.Context, keys []api.DeviceKeys) error {
|
|
for i, key := range keys {
|
|
var keyJSONStr string
|
|
err := s.selectDeviceKeysStmt.QueryRowContext(ctx, key.UserID, key.DeviceID).Scan(&keyJSONStr)
|
|
if err != nil && err != sql.ErrNoRows {
|
|
return err
|
|
}
|
|
// this will be '' when there is no device
|
|
keys[i].KeyJSON = []byte(keyJSONStr)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (s *deviceKeysStatements) InsertDeviceKeys(ctx context.Context, keys []api.DeviceKeys) error {
|
|
now := time.Now().Unix()
|
|
return sqlutil.WithTransaction(s.db, func(txn *sql.Tx) error {
|
|
for _, key := range keys {
|
|
_, err := txn.Stmt(s.upsertDeviceKeysStmt).ExecContext(
|
|
ctx, key.UserID, key.DeviceID, now, string(key.KeyJSON),
|
|
)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
})
|
|
}
|
|
|
|
func (s *deviceKeysStatements) SelectBatchDeviceKeys(ctx context.Context, userID string, deviceIDs []string) ([]api.DeviceKeys, error) {
|
|
rows, err := s.selectBatchDeviceKeysStmt.QueryContext(ctx, userID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer internal.CloseAndLogIfError(ctx, rows, "selectBatchDeviceKeysStmt: rows.close() failed")
|
|
deviceIDMap := make(map[string]bool)
|
|
for _, d := range deviceIDs {
|
|
deviceIDMap[d] = true
|
|
}
|
|
var result []api.DeviceKeys
|
|
for rows.Next() {
|
|
var dk api.DeviceKeys
|
|
dk.UserID = userID
|
|
var keyJSON string
|
|
if err := rows.Scan(&dk.DeviceID, &keyJSON); err != nil {
|
|
return nil, err
|
|
}
|
|
dk.KeyJSON = []byte(keyJSON)
|
|
// include the key if we want all keys (no device) or it was asked
|
|
if deviceIDMap[dk.DeviceID] || len(deviceIDs) == 0 {
|
|
result = append(result, dk)
|
|
}
|
|
}
|
|
return result, rows.Err()
|
|
}
|